[1] He was the bronze medallists at the 2001 Asian Junior Championships in the boys' singles and team events.

[2] He educated at the Korea National Sport University.

[3] In the senior event, Ahn who was part of the Gimcheon City team, became the finalist at the 2003 U.S. Open,[4] won the title at the 2004 Vietnam and 2008 Singapore Satellite tournaments.

[5][6] Ahn started his career as a coach in Yonex South Korean team in 2016.

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